CN216447183U - High-efficient low resistance fan housing - Google Patents
High-efficient low resistance fan housing Download PDFInfo
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- CN216447183U CN216447183U CN202122580467.6U CN202122580467U CN216447183U CN 216447183 U CN216447183 U CN 216447183U CN 202122580467 U CN202122580467 U CN 202122580467U CN 216447183 U CN216447183 U CN 216447183U
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- air guide
- air
- main body
- guide sheet
- wall
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Abstract
The utility model discloses a high-efficiency low-resistance fan shell. The air conditioner comprises a main body, wherein an air inlet and an air outlet are formed in the main body, an inclined air guide sheet is connected to the inner wall of the main body, an included angle formed by the air guide sheet and the inner wall is an acute angle, the air guide sheet is arc-shaped, and the thickness of the air guide sheet is gradually increased to the maximum from one side connected with the inner wall and then gradually reduced. According to the fan shell, the air guide sheets are arranged on the inner wall of the main body, the air guide sheets are shaped to greatly reduce the friction force of air flow, the resistance is reduced, the air flow around the shell can flow more efficiently, and the energy saving rate is improved by 10%.
Description
Technical Field
The utility model relates to a high-efficiency low-resistance fan shell, and belongs to the technical field of fans.
Background
The fan is a machine which can increase gas pressure and discharge gas by means of input mechanical energy, is a driven fluid mechanical fan, is a common energy consumption device in production, plays an important role in national economic production, and has the advantages of large quantity, wide distribution and huge power consumption.
The traditional blower adopts a smooth inner wall of a casing, although aerodynamics is followed in structure, the traditional blower still has great friction and wind resistance, and the energy efficiency of the blower is greatly improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the high-efficiency low-resistance fan shell, so that the wind resistance is reduced, and the efficiency of the fan is improved.
The utility model is realized by the following technical scheme:
the high-efficiency low-resistance fan shell comprises a main body, wherein an air inlet and an air outlet are formed in the main body, an air guide sheet is obliquely arranged on the inner wall of the main body, an included angle formed by the air guide sheet and the inner wall is an acute angle, the air guide sheet is arc-shaped, the thickness of the air guide sheet is gradually increased to the maximum from one side connected with the inner wall, and then the thickness of the air guide sheet is gradually reduced.
The high-efficiency low-resistance fan shell is characterized in that the air guide sheet is also provided with an air guide groove.
The high-efficiency low-resistance fan shell comprises a main body and a fan cover, wherein the main body comprises a first part and a second part which are connected, and a sealing piece is arranged at the joint of the first part and the second part.
The high-efficiency low-resistance fan shell is characterized in that a fastener is further arranged on the sealing element, one end of the fastener is located on the first portion, the other end of the fastener is located on the second portion, and the fastener and the second portion are fixed through screws.
The high-efficiency low-resistance fan shell is characterized in that a connecting piece is arranged at the air inlet and connected with a filter screen.
The high-efficiency low-resistance fan shell comprises a frame fixedly connected with a main body, wherein a clamping groove is formed in the frame, and a clamping piece capable of extending into the clamping groove is arranged on the filter screen.
The high-efficiency low-resistance fan shell is characterized in that the frame is provided with a rotatable buckle.
The utility model achieves the following beneficial effects:
the fan shell is provided with the air guide sheet on the inner wall of the main body, and the shape of the air guide sheet can greatly reduce the friction force of air flow, reduce resistance, enable the air flow around the shell to flow more efficiently, and improve the energy saving rate by 10 percent.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is an enlarged view of fig. 2 at the circle.
In the figure: 1. the air guide device comprises an air inlet, 2, an air outlet, 3, an air guide sheet, 4, an air guide groove, 5, a first part, 6, a second part, 7, a sealing element, 8, a fastening piece, 9, a screw, 10, a frame, 11, a filter screen, 12, a clamping groove, 13, a clamping piece, 14 and a buckle.
Detailed Description
The utility model is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in the figure, the high-efficiency low-resistance fan shell comprises a main body, wherein an air inlet 1 and an air outlet 2 are arranged on the main body, an air guide sheet 3 is obliquely arranged on the inner wall of the main body, an included angle formed by the air guide sheet 3 and the inner wall is an acute angle, the air guide sheet 3 is arc-shaped, and the thickness of the air guide sheet 3 is gradually increased to the maximum from one side connected with the inner wall and then gradually reduced.
By arranging the air guide pieces 3 on the inner wall of the main body, the shape of the air guide pieces 3 can greatly reduce the friction force of air flow, reduce resistance, enable the air flow around the casing to flow more efficiently, and improve the energy saving rate by 10%.
Furthermore, the air guiding sheet 3 is further provided with an air guiding groove 4. The air flow flows along the direction of the air guide sheet 3 through the air guide groove 4, and the resistance is reduced.
Further, the body comprises a first part 5 and a second part 6 connected, and a seal 7 is arranged at the joint of the first part 5 and the second part 6. Through setting up first portion 5 and second portion 6, conveniently dismantle the main part, simultaneously, also the impeller subassembly that easy to assemble is located the fan casing seals the junction of first portion 5 and second portion 6 through sealing member 7, avoids the junction to leak out, influences the efficiency of fan.
Furthermore, a fastening member 8 is disposed on the sealing member 7, and one end of the fastening member 8 is located on the first portion, and the other end is located on the second portion, and both are fixed by a screw 9. The sealing effect of the seal 7 is further increased by the fastening element 8.
Furthermore, a connecting piece is arranged at the air inlet 1, and the connecting piece is connected with a filter screen 11. Through setting up filter screen 11 in air intake 1 department, can intercept partial dust and large granule impurity, avoid impurity and dust to reduce the result of use of fan.
Furthermore, the connecting piece comprises a frame 10 fixedly connected with the main body, a clamping groove 12 is arranged on the frame 10, and a clamping piece 13 capable of extending into the clamping groove 12 is arranged on the filter screen 11. Through draw-in groove 12 and fastener 13, filter screen 11 is detachable and is connected with frame 10, conveniently washs or changes filter screen 11.
Furthermore, the frame 10 is provided with a rotatable buckle 14, and after the clamping piece 13 of the filter screen 11 is inserted into the clamping groove 12 through the rotatable buckle 14, the rotatable buckle 14 is rotated to clamp the main filter screen 11, so that the tightness of the connection between the filter screen 11 and the frame 10 is further improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The high-efficiency low-resistance fan shell comprises a main body, wherein an air inlet and an air outlet are formed in the main body, and the high-efficiency low-resistance fan shell is characterized in that an air guide sheet is obliquely arranged on the inner wall of the main body, an included angle formed by the air guide sheet and the inner wall is an acute angle, the air guide sheet is arc-shaped, and the thickness of the air guide sheet is gradually increased to the maximum from one side connected with the inner wall and then gradually reduced.
2. The casing of the blower of claim 1, wherein the air guiding plate is further provided with air guiding grooves.
3. A high efficiency and low resistance blower housing as defined in claim 1 wherein said body includes a first portion and a second portion connected together, said first portion and said second portion being joined by a seal.
4. A high efficiency and low resistance blower housing according to claim 3 wherein the seal further comprises a fastener, one end of the fastener is located on the first portion, the other end of the fastener is located on the second portion, and the fastener and the second portion are fixed by screws.
5. The casing of blower of claim 1, wherein the air inlet is provided with a connector, and the connector is connected with a filter screen.
6. The casing of the blower with high efficiency and low resistance as claimed in claim 5, wherein the connecting member comprises a frame fixedly connected with the main body, the frame is provided with a clamping groove, and the filter net is provided with a clamping piece which can extend into the clamping groove.
7. The high-efficiency low-resistance fan casing as claimed in claim 6, wherein the frame is provided with a rotatable fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580467.6U CN216447183U (en) | 2021-10-26 | 2021-10-26 | High-efficient low resistance fan housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580467.6U CN216447183U (en) | 2021-10-26 | 2021-10-26 | High-efficient low resistance fan housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216447183U true CN216447183U (en) | 2022-05-06 |
Family
ID=81351510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122580467.6U Active CN216447183U (en) | 2021-10-26 | 2021-10-26 | High-efficient low resistance fan housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216447183U (en) |
-
2021
- 2021-10-26 CN CN202122580467.6U patent/CN216447183U/en active Active
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